21x-51=180

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Solution for 21x-51=180 equation: 


Simplifying
21x + -51 = 180

Reorder the terms:
-51 + 21x = 180

Solving
-51 + 21x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '51' to each side of the equation.
-51 + 51 + 21x = 180 + 51

Combine like terms: -51 + 51 = 0
0 + 21x = 180 + 51
21x = 180 + 51

Combine like terms: 180 + 51 = 231
21x = 231

Divide each side by '21'.
x = 11

Simplifying
x = 11

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